Home / 186,261.84-257,046.44-105,692.72

Finding the Fourth Proportional to 186,261.84, 257,046.44 and 105,692.72

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Solution

The fourth proportional to 186,261.84, 257,046.44 and 105,692.72 is: 145,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,261.84 : 257,046.44 = 105,692.72 : x
  2. Step 2: Convert to fraction form
    186,261.84/257,046.44 = 105,692.72/x
  3. Step 3: Cross multiply
    186,261.84x = 257,046.44 × 105,692.72
  4. Step 4: Simplify right side
    186,261.84x = 27,167,937,409.92
  5. Step 5: Solve for x
    x = 27,167,937,409.92/186,261.84
  6. Step 6: Final answer
    x = 145,858.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.